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THE HOME GARDEN 



A = i Ib. Sodium Nitrate 

 B = i Ib. Potassium Sulphate 

 C = 2 Ib. Acid Phosphate 



On plots i, 4, and 7, use no fertilizer whatever; on plot 2, use 

 A, B, C; on 3, use B and C; on 5, use A and B; on 6, use A and C. 



Plant same amount of seeds on each 

 plot; give all same care. Compare 

 crops from each plot to decide the 

 fertilizer most needed by the soil for 

 that particular crop. 



Suggested Projects. 



1. TO PLAN, PLANT, AND TAKE 

 CARE OF THE VEGETABLE GARDEN. 



2. TO MAKE AND USE A HOTBED OR 

 A COLD FRAME. 



3. MAKE A COLLECTION OF DIF- 

 FERENT TYPES OF SOILS FOUND IN 



YOUR NEIGHBORHOOD, KEEPING A RECORD OF THE KIND OF VEGETA- 

 TION OR LACK OF PLANT LIFE FOUND IN EACH LOCALITY. 



Science and the home garden. " What do I want 

 to know about science in taking care of my home gar- 

 den? " - might be the remark of a boy who has had some 

 gardening experience. He has grown vegetables and 

 flowers without any more knowledge than the common 

 sense that he has picked up from older people or read in 

 books or garden magazines. It is true that a person might 

 have a flourishing garden and know very little about the 

 scientific principles necessary to understand the soil and the 

 life of the plants living in it. But when we consider that 

 plants are living things, that they require certain " plant 

 foods " or raw food materials, and that they must be pro- 

 vided with what they most require in order to grow to their 



